projects / nitsi.git / blame
| Commit | Line | Data |
|---|---|---|
| 3a4eb2c7 JS |
1 | #!/usr/bin/python3 |
| 2 | ||
| 3 | import os | |
| 4 | ||
| 1ed8ca9f JS |
5 | import logging |
| 6 | ||
| 7 | logger = logging.getLogger("nitsi.recipe") | |
| 8 | ||
| 3a4eb2c7 JS |
9 | |
| 10 | ||
| 11 | class RecipeExeption(Exception): | |
| 12 | pass | |
| 13 | ||
| 14 | ||
| 15 | ||
| 16 | # Should read the test, check if the syntax are valid | |
| 17 | # and return tuples with the ( host, command ) structure | |
| 18 | class recipe(): | |
| 19 | def __init__(self, path, circle=[]): | |
| 3a4eb2c7 | 20 | self.recipe_file = path |
| 1ed8ca9f | 21 | self.log = logger.getChild(os.path.basename(self.recipe_file)) |
| 3a4eb2c7 JS |
22 | self.path = os.path.dirname(self.recipe_file) |
| 23 | self.log.debug("Path of recipe is: {}".format(self.recipe_file)) | |
| 24 | self._recipe = None | |
| 25 | self._machines = None | |
| 26 | ||
| 27 | self.in_recursion = True | |
| 28 | if len(circle) == 0: | |
| 29 | self.in_recursion = False | |
| 30 | ||
| 31 | self.circle = circle | |
| 32 | self.log.debug(circle) | |
| 33 | self.log.debug(self.circle) | |
| 34 | ||
| 35 | if not os.path.isfile(self.recipe_file): | |
| 36 | self.log.error("No such file: {}".format(self.recipe_file)) | |
| 37 | ||
| 38 | try: | |
| 39 | with open(self.recipe_file) as fobj: | |
| 40 | self.raw_recipe = fobj.readlines() | |
| 41 | except FileNotFoundError as error: | |
| 42 | self.log.error("No such file: {}".format(vm_xml_file)) | |
| 43 | ||
| 44 | @property | |
| 45 | def recipe(self): | |
| 46 | if not self._recipe: | |
| 47 | self.parse() | |
| 48 | ||
| 49 | return self._recipe | |
| 50 | ||
| 51 | @property | |
| 52 | def machines(self): | |
| 53 | if not self._machines: | |
| 54 | self._machines = [] | |
| 55 | for line in self._recipe: | |
| 56 | if line[0] != "all" and line[0] not in self._machines: | |
| 57 | self._machines.append(line[0]) | |
| 58 | ||
| 59 | return self._machines | |
| 60 | ||
| 61 | def parse(self): | |
| 62 | self._recipe = [] | |
| 63 | i = 1 | |
| 64 | for line in self.raw_recipe: | |
| 65 | raw_line = line.split(":") | |
| 66 | if len(raw_line) < 2: | |
| 67 | self.log.error("Error parsing the recipe in line {}".format(i)) | |
| 68 | raise RecipeExeption | |
| 69 | cmd = raw_line[1].strip() | |
| 70 | raw_line = raw_line[0].strip().split(" ") | |
| 71 | if len(raw_line) == 0: | |
| 72 | self.log.error("Failed to parse the recipe in line {}".format(i)) | |
| 73 | raise RecipeExeption | |
| 74 | ||
| 75 | if raw_line[0].strip() == "": | |
| 76 | self.log.error("Failed to parse the recipe in line {}".format(i)) | |
| 77 | raise RecipeExeption | |
| 78 | ||
| 79 | machine = raw_line[0].strip() | |
| 80 | ||
| 81 | if len(raw_line) == 2: | |
| 82 | extra = raw_line[1].strip() | |
| 83 | else: | |
| 84 | extra = "" | |
| 85 | ||
| 86 | # We could get a machine here or a include statement | |
| 87 | if machine == "include": | |
| 88 | path = cmd.strip() | |
| 89 | path = os.path.normpath(self.path + "/" + path) | |
| 90 | path = path + "/recipe" | |
| 91 | if path in self.circle: | |
| 92 | self.log.error("Detect import loop!") | |
| 93 | raise RecipeExeption | |
| 94 | self.circle.append(path) | |
| 95 | recipe_to_include = recipe(path, circle=self.circle) | |
| 96 | ||
| 97 | if machine == "include": | |
| 98 | self._recipe.extend(recipe_to_include.recipe) | |
| 99 | else: | |
| 100 | # Support also something like 'alice,bob: echo' | |
| 101 | machines = machine.split(",") | |
| 102 | for machine in machines: | |
| 103 | self._recipe.append((machine.strip(), extra.strip(), cmd.strip())) | |
| 104 | i = i + 1 | |
| 105 | ||
| 106 | if not self.in_recursion: | |
| 107 | tmp_recipe = [] | |
| 108 | for line in self._recipe: | |
| 109 | if line[0] != "all": | |
| 110 | tmp_recipe.append(line) | |
| 111 | else: | |
| 112 | for machine in self.machines: | |
| 113 | tmp_recipe.append((machine.strip(), line[1], line[2])) | |
| 114 | ||
| 115 | self._recipe = tmp_recipe |